1 files changed, 54 insertions, 0 deletions
diff --git a/src/ckutil.c b/src/ckutil.c
new file mode 100644
index 0000000..fc6d4b0
--- /dev/null
+++ b/src/ckutil.c
@@ -0,0 +1,54 @@
+/* ckutil.c - utility functions for ck ---------------------------------*- C -*-
+ *
+ * This file is part of ck, the config keeper
+ *
+ * -----------------------------------------------------------------------------
+ *
+ * Copyright (C) 2018  Anastasis Grammenos
+ * GPLv3 (see LICENCE for the full notice)
+ *
+ * -------------------------------------------------------------------------- */
+#include <dirent.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "ckutil.h"
+
+int util_is_dir(const char *path) {
+  DIR *dir;
+  dir = opendir(path);
+  if (!dir) {
+    return 0;
+  }
+  closedir(dir);
+  return 1;
+}
+
+int util_is_str_empty(const char *s) {
+  while (*s != '\0') {
+    if (!isspace((unsigned char)*s))
+      return 0;
+    s++;
+  }
+  return 1;
+}
+
+int util_file_exists(const char* path) {
+  struct stat st = {0};
+  if (stat(path, &st) == -1) {
+    return 0;
+  }
+  return 1;
+}
+
+int util_is_file_rw(const char* path) {
+  if (access(path, R_OK | W_OK) == 0) {
+    return 1;
+  }
+  return 0;
+}
+
+void util_mkdir(const char *name) {
+  mkdir(name, 0755);
+}